The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

We asked readers to answer a series of questions to create a new map of California regions. This was the result.

Outbreaks of the stomach flu are spreading across the U.S and are far higher than average for December over the past 12 years, according to CDC figures.

Some sections of Northern California's coast are considered vulnerable to tsunamis. Here's where those locations are and how ...

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